2. The radius of copper rod is 0.4 cm. What force is required to stretch the rod by 20 % of its length assuming that the elastic limit 12.5 x 1010 snot exceeded?
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A: Hey dear I have solved this problem. Have a look
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A: Hey dear I have uploaded the two parts in step 1 ans step 2 . Have a look
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A: as per our guidelines, we can answer only first question . please resubmit rest question for answer.
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